Measurements Data Profiling Report

Dataset statistics

Number of variables	22
Number of observations	139050
Missing cells	1948193
Missing cells (%)	63.7%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	23.3 MiB
Average record size in memory	176.0 B

Variable types

Numeric	21
DateTime	1

Alerts

`alkalinity` is highly overall correlated with `bicarbonate`	High correlation
`bicarbonate` is highly overall correlated with `alkalinity`	High correlation
`calcium` is highly overall correlated with `hardness` and 1 other fields	High correlation
`carbonate` is highly overall correlated with `morning_pH`	High correlation
`evening_pH` is highly overall correlated with `morning_pH`	High correlation
`evening_salinity` is highly overall correlated with `hardness` and 1 other fields	High correlation
`evening_temperature` is highly overall correlated with `morning_temperature`	High correlation
`hardness` is highly overall correlated with `calcium` and 3 other fields	High correlation
`magnesium` is highly overall correlated with `calcium` and 1 other fields	High correlation
`morning_pH` is highly overall correlated with `carbonate` and 1 other fields	High correlation
`morning_salinity` is highly overall correlated with `evening_salinity` and 1 other fields	High correlation
`morning_temperature` is highly overall correlated with `evening_temperature`	High correlation
`nitrate` is highly overall correlated with `tom`	High correlation
`tom` is highly overall correlated with `nitrate`	High correlation
`morning_temperature` has 41855 (30.1%) missing values	Missing
`evening_temperature` has 49839 (35.8%) missing values	Missing
`morning_do` has 61324 (44.1%) missing values	Missing
`evening_do` has 65098 (46.8%) missing values	Missing
`morning_salinity` has 46388 (33.4%) missing values	Missing
`evening_salinity` has 73957 (53.2%) missing values	Missing
`morning_pH` has 20115 (14.5%) missing values	Missing
`evening_pH` has 78101 (56.2%) missing values	Missing
`transparency` has 61750 (44.4%) missing values	Missing
`ammonia` has 135302 (97.3%) missing values	Missing
`nitrate` has 136888 (98.4%) missing values	Missing
`nitrite` has 129293 (93.0%) missing values	Missing
`alkalinity` has 125533 (90.3%) missing values	Missing
`hardness` has 133525 (96.0%) missing values	Missing
`calcium` has 132458 (95.3%) missing values	Missing
`magnesium` has 132430 (95.2%) missing values	Missing
`carbonate` has 133762 (96.2%) missing values	Missing
`bicarbonate` has 132372 (95.2%) missing values	Missing
`tom` has 131774 (94.8%) missing values	Missing
`total_plankton_` has 126429 (90.9%) missing values	Missing
`morning_temperature` is highly skewed (γ1 = 212.9715056)	Skewed
`evening_temperature` is highly skewed (γ1 = 116.369727)	Skewed
`morning_do` is highly skewed (γ1 = 273.4978107)	Skewed
`evening_do` is highly skewed (γ1 = 192.2397798)	Skewed
`morning_salinity` is highly skewed (γ1 = 223.215795)	Skewed
`evening_salinity` is highly skewed (γ1 = 197.8142468)	Skewed
`morning_pH` is highly skewed (γ1 = 322.0599679)	Skewed
`evening_pH` is highly skewed (γ1 = 142.9888739)	Skewed
`ammonia` is highly skewed (γ1 = 57.36560045)	Skewed
`nitrate` is highly skewed (γ1 = 25.5155979)	Skewed
`nitrite` is highly skewed (γ1 = 66.95359829)	Skewed
`alkalinity` is highly skewed (γ1 = 90.45583932)	Skewed
`hardness` is highly skewed (γ1 = 73.53920388)	Skewed
`carbonate` is highly skewed (γ1 = 23.10383739)	Skewed
`bicarbonate` is highly skewed (γ1 = 74.9889146)	Skewed
`tom` is highly skewed (γ1 = 35.1254181)	Skewed
`total_plankton_` is highly skewed (γ1 = 73.73979077)	Skewed
`alkalinity` has 1967 (1.4%) zeros	Zeros
`carbonate` has 3043 (2.2%) zeros	Zeros
`total_plankton_` has 3068 (2.2%) zeros	Zeros

Reproduction

Analysis started	2024-08-14 12:56:04.456294
Analysis finished	2024-08-14 12:58:08.550298
Duration	2 minutes and 4.09 seconds
Software version	ydata-profiling vv4.9.0
Download configuration	config.json

cycle_id
Real number (ℝ)

Distinct	2500
Distinct (%)	1.8%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	20268.853

Minimum	3458
Maximum	29874
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	3458
5-th percentile	10031
Q1	16776
median	20197
Q3	24739
95-th percentile	27707
Maximum	29874
Range	26416
Interquartile range (IQR)	7963

Descriptive statistics

Standard deviation	5401.4365
Coefficient of variation (CV)	0.2664895
Kurtosis	-0.089321286
Mean	20268.853
Median Absolute Deviation (MAD)	4035
Skewness	-0.55889504
Sum	2.818384 × 10⁹
Variance	29175516
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
23327	202	0.1%
23328	201	0.1%
23329	198	0.1%
24739	194	0.1%
23330	192	0.1%
23331	189	0.1%
24519	189	0.1%
23326	188	0.1%
24520	186	0.1%
24304	186	0.1%
Other values (2490)	137125	98.6%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
3458	27	< 0.1%
3459	27	< 0.1%
4036	3	< 0.1%
4038	5	< 0.1%
4039	5	< 0.1%
4044	86	0.1%
4045	86	0.1%
4046	80	0.1%
4047	77	0.1%
4048	86	0.1%

Value	Count	Frequency (%)
29874	12	< 0.1%
29873	12	< 0.1%
29679	2	< 0.1%
29659	14	< 0.1%
29619	31	< 0.1%
29597	28	< 0.1%
29579	24	< 0.1%
29557	16	< 0.1%
29518	33	< 0.1%
29513	27	< 0.1%

measured_date
Date

Distinct	1427
Distinct (%)	1.0%
Missing	0
Missing (%)	0.0%
Memory size	1.1 MiB

Minimum	2020-05-03 00:00:00
Maximum	2024-04-01 00:00:00

Histogram

Histogram with fixed size bins (bins=50)

morning_temperature
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	4793
Distinct (%)	4.9%
Missing	41855
Missing (%)	30.1%
Infinite	0
Infinite (%)	0.0%
Mean	28.580945

Minimum	0
Maximum	27341
Zeros	1
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	25.3037
Q1	27
median	28
Q3	29
95-th percentile	30.4
Maximum	27341
Range	27341
Interquartile range (IQR)	2

Descriptive statistics

Standard deviation	106.89679
Coefficient of variation (CV)	3.7401419
Kurtosis	49066.076
Mean	28.580945
Median Absolute Deviation (MAD)	1
Skewness	212.97151
Sum	2777924.9
Variance	11426.924
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
28	6810	4.9%
27	5321	3.8%
29	4196	3.0%
26	1959	1.4%
30	1418	1.0%
28.5	1348	1.0%
28.6	1285	0.9%
27.5	1276	0.9%
28.3	1259	0.9%
27.8	1227	0.9%
Other values (4783)	71096	51.1%
(Missing)	41855	30.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	1	< 0.1%
2	1	< 0.1%
2.2	1	< 0.1%
2.5	1	< 0.1%
2.64	1	< 0.1%
2.73	1	< 0.1%
2.77	1	< 0.1%
2.81	1	< 0.1%
2.84	1	< 0.1%
2.98	1	< 0.1%

Value	Count	Frequency (%)
27341	1	< 0.1%
13519.4785	1	< 0.1%
13517.5095	1	< 0.1%
285	1	< 0.1%
283	1	< 0.1%
281	2	< 0.1%
261	1	< 0.1%
218	1	< 0.1%
130	1	< 0.1%
119.2	1	< 0.1%

evening_temperature
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	5386
Distinct (%)	6.0%
Missing	49839
Missing (%)	35.8%
Infinite	0
Infinite (%)	0.0%
Mean	29.908567

Minimum	0
Maximum	1078.9333
Zeros	1
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	26.7
Q1	28.9
median	30
Q3	31
95-th percentile	32.9
Maximum	1078.9333
Range	1078.9333
Interquartile range (IQR)	2.1

Descriptive statistics

Standard deviation	5.8170134
Coefficient of variation (CV)	0.19449322
Kurtosis	18650.396
Mean	29.908567
Median Absolute Deviation (MAD)	1.038
Skewness	116.36973
Sum	2668173.2
Variance	33.837644
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
30	5127	3.7%
29	4263	3.1%
31	3139	2.3%
28	1997	1.4%
32	1305	0.9%
29.5	1176	0.8%
29.8	1172	0.8%
29.6	1107	0.8%
29.3	1078	0.8%
29.4	1066	0.8%
Other values (5376)	67781	48.7%
(Missing)	49839	35.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	1	< 0.1%
0.1	1	< 0.1%
1	1	< 0.1%
1.2	1	< 0.1%
2.11	1	< 0.1%
2.164	1	< 0.1%
2.3	1	< 0.1%
2.38	1	< 0.1%
2.41	1	< 0.1%
2.48	1	< 0.1%

Value	Count	Frequency (%)
1078.933333	1	< 0.1%
928.6	1	< 0.1%
302	1	< 0.1%
300	1	< 0.1%
297	1	< 0.1%
295	1	< 0.1%
293.1	1	< 0.1%
286	1	< 0.1%
278.9	1	< 0.1%
271	2	< 0.1%

morning_do
Real number (ℝ)

MISSING SKEWED

Distinct	6531
Distinct (%)	8.4%
Missing	61324
Missing (%)	44.1%
Infinite	0
Infinite (%)	0.0%
Mean	5.9041004

Minimum	-52.885
Maximum	60043
Zeros	97
Zeros (%)	0.1%
Negative	19
Negative (%)	< 0.1%
Memory size	1.1 MiB

Quantile statistics

Minimum	-52.885
5-th percentile	3
Q1	4.231
median	4.97
Q3	5.64
95-th percentile	6.963
Maximum	60043
Range	60095.885
Interquartile range (IQR)	1.409

Descriptive statistics

Standard deviation	216.81042
Coefficient of variation (CV)	36.722009
Kurtosis	75658.13
Mean	5.9041004
Median Absolute Deviation (MAD)	0.71
Skewness	273.49781
Sum	458902.1
Variance	47006.76
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
5	1878	1.4%
4	1208	0.9%
4.5	891	0.6%
5.2	878	0.6%
5.5	872	0.6%
5.3	854	0.6%
6	848	0.6%
4.8	778	0.6%
4.2	768	0.6%
5.1	764	0.5%
Other values (6521)	67987	48.9%
(Missing)	61324	44.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-52.885	1	< 0.1%
-21.359	1	< 0.1%
-18.063	1	< 0.1%
-14.704	1	< 0.1%
-14.68	1	< 0.1%
-14.665	1	< 0.1%
-14.613	1	< 0.1%
-14.535	1	< 0.1%
-14.445	1	< 0.1%
-12.664	1	< 0.1%

Value	Count	Frequency (%)
60043	1	< 0.1%
5642	1	< 0.1%
3965	1	< 0.1%
563	1	< 0.1%
559	1	< 0.1%
500	1	< 0.1%
408.28	1	< 0.1%
300	1	< 0.1%
278.59	1	< 0.1%
276.66	1	< 0.1%

evening_do
Real number (ℝ)

MISSING SKEWED

Distinct	7706
Distinct (%)	10.4%
Missing	65098
Missing (%)	46.8%
Infinite	0
Infinite (%)	0.0%
Mean	6.0052777

Minimum	-62.837
Maximum	6706
Zeros	40
Zeros (%)	< 0.1%
Negative	10
Negative (%)	< 0.1%
Memory size	1.1 MiB

Quantile statistics

Minimum	-62.837
5-th percentile	3.69
Q1	4.831
median	5.64
Q3	6.5
95-th percentile	8.45
Maximum	6706
Range	6768.837
Interquartile range (IQR)	1.669

Descriptive statistics

Standard deviation	30.444501
Coefficient of variation (CV)	5.0696242
Kurtosis	38953.051
Mean	6.0052777
Median Absolute Deviation (MAD)	0.83
Skewness	192.23978
Sum	444102.3
Variance	926.86765
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
6	1208	0.9%
5	967	0.7%
7	773	0.6%
5.5	702	0.5%
5.6	694	0.5%
8	664	0.5%
5.8	656	0.5%
5.4	596	0.4%
6.2	593	0.4%
5.7	583	0.4%
Other values (7696)	66516	47.8%
(Missing)	65098	46.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-62.837	1	< 0.1%
-44.301	1	< 0.1%
-42.26	1	< 0.1%
-21.30266667	1	< 0.1%
-18.279	1	< 0.1%
-2.69	1	< 0.1%
-2.6545	1	< 0.1%
-2.107	1	< 0.1%
-0.693	1	< 0.1%
-0.471	1	< 0.1%

Value	Count	Frequency (%)
6706	1	< 0.1%
4634	1	< 0.1%
768	1	< 0.1%
704	1	< 0.1%
602	1	< 0.1%
512	1	< 0.1%
504	1	< 0.1%
219.09	1	< 0.1%
90	1	< 0.1%
82.03333333	1	< 0.1%

morning_salinity
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	19113
Distinct (%)	20.6%
Missing	46388
Missing (%)	33.4%
Infinite	0
Infinite (%)	0.0%
Mean	22.777202

Minimum	-25
Maximum	15734
Zeros	14
Zeros (%)	< 0.1%
Negative	2
Negative (%)	< 0.1%
Memory size	1.1 MiB

Quantile statistics

Minimum	-25
5-th percentile	7.50005
Q1	16.8
median	23
Q3	29
95-th percentile	36
Maximum	15734
Range	15759
Interquartile range (IQR)	12.2

Descriptive statistics

Standard deviation	60.78861
Coefficient of variation (CV)	2.6688357
Kurtosis	53605.899
Mean	22.777202
Median Absolute Deviation (MAD)	6
Skewness	223.21579
Sum	2110581.1
Variance	3695.2551
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
30	4293	3.1%
25	3510	2.5%
20	2697	1.9%
29	2477	1.8%
28	2260	1.6%
22	2181	1.6%
35	2002	1.4%
26	2000	1.4%
27	1916	1.4%
24	1896	1.4%
Other values (19103)	67430	48.5%
(Missing)	46388	33.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-25	1	< 0.1%
-23	1	< 0.1%
0	14	< 0.1%
0.0585	1	< 0.1%
0.209	1	< 0.1%
0.249	1	< 0.1%
0.377	1	< 0.1%
0.5	6	< 0.1%
0.585	1	< 0.1%
0.6	1	< 0.1%

Value	Count	Frequency (%)
15734	1	< 0.1%
9124	1	< 0.1%
2425.3	1	< 0.1%
285	1	< 0.1%
275	1	< 0.1%
254	1	< 0.1%
233	1	< 0.1%
225	1	< 0.1%
171.9333333	1	< 0.1%
145	1	< 0.1%

evening_salinity
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	18407
Distinct (%)	28.3%
Missing	73957
Missing (%)	53.2%
Infinite	0
Infinite (%)	0.0%
Mean	22.090321

Minimum	0
Maximum	33958
Zeros	25
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	7.6
Q1	15.688
median	21.4
Q3	26.95
95-th percentile	34.11
Maximum	33958
Range	33958
Interquartile range (IQR)	11.262

Descriptive statistics

Standard deviation	152.69258
Coefficient of variation (CV)	6.9121935
Kurtosis	41089.041
Mean	22.090321
Median Absolute Deviation (MAD)	5.6
Skewness	197.81425
Sum	1437925.3
Variance	23315.023
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
25	2345	1.7%
30	2173	1.6%
20	1638	1.2%
15	1369	1.0%
22	1332	1.0%
27	1308	0.9%
24	1189	0.9%
28	1098	0.8%
26	1081	0.8%
23	1045	0.8%
Other values (18397)	50515	36.3%
(Missing)	73957	53.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	25	< 0.1%
0.094	1	< 0.1%
0.13	1	< 0.1%
0.266	1	< 0.1%
0.267	1	< 0.1%
0.421	1	< 0.1%
0.5	5	< 0.1%
0.587	1	< 0.1%
0.6	2	< 0.1%
0.681	1	< 0.1%

Value	Count	Frequency (%)
33958	1	< 0.1%
18920	1	< 0.1%
1528	1	< 0.1%
1526	1	< 0.1%
132	1	< 0.1%
129.3333333	1	< 0.1%
120	1	< 0.1%
95	1	< 0.1%
90	2	< 0.1%
60	2	< 0.1%

morning_pH
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	3190
Distinct (%)	2.7%
Missing	20115
Missing (%)	14.5%
Infinite	0
Infinite (%)	0.0%
Mean	8.0069808

Minimum	0
Maximum	7421
Zeros	1
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	7.268
Q1	7.615
median	7.9
Q3	8.12
95-th percentile	8.6
Maximum	7421
Range	7421
Interquartile range (IQR)	0.505

Descriptive statistics

Standard deviation	22.025251
Coefficient of variation (CV)	2.7507561
Kurtosis	107944.12
Mean	8.0069808
Median Absolute Deviation (MAD)	0.26
Skewness	322.05997
Sum	952310.27
Variance	485.1117
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
7.9	7566	5.4%
8	7514	5.4%
7.8	7196	5.2%
7.7	6481	4.7%
8.1	5333	3.8%
7.6	4734	3.4%
8.2	4326	3.1%
7.5	3624	2.6%
8.3	3216	2.3%
7.4	2302	1.7%
Other values (3180)	66643	47.9%
(Missing)	20115	14.5%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	1	< 0.1%
0.1	1	< 0.1%
0.5	1	< 0.1%
0.8	1	< 0.1%
0.82	1	< 0.1%
0.83	1	< 0.1%
0.9	1	< 0.1%
1.03	1	< 0.1%
2	2	< 0.1%
3.22	1	< 0.1%

Value	Count	Frequency (%)
7421	1	< 0.1%
806	1	< 0.1%
798	1	< 0.1%
753	1	< 0.1%
736	1	< 0.1%
444	1	< 0.1%
132	1	< 0.1%
90	3	< 0.1%
89	1	< 0.1%
87	2	< 0.1%

evening_pH
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	2417
Distinct (%)	4.0%
Missing	78101
Missing (%)	56.2%
Infinite	0
Infinite (%)	0.0%
Mean	8.212628

Minimum	0
Maximum	862
Zeros	3
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	7.4
Q1	7.9
median	8.2
Q3	8.412
95-th percentile	8.9
Maximum	862
Range	862
Interquartile range (IQR)	0.512

Descriptive statistics

Standard deviation	5.0943693
Coefficient of variation (CV)	0.62030927
Kurtosis	22562.622
Mean	8.212628
Median Absolute Deviation (MAD)	0.3
Skewness	142.98887
Sum	500551.46
Variance	25.952599
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
8.2	4007	2.9%
8.3	3963	2.9%
8	3939	2.8%
8.1	3897	2.8%
8.4	3472	2.5%
7.9	3047	2.2%
8.5	2880	2.1%
7.8	2546	1.8%
8.6	1944	1.4%
7.7	1940	1.4%
Other values (2407)	29314	21.1%
(Missing)	78101	56.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	3	< 0.1%
0.3	8	< 0.1%
0.31	1	< 0.1%
0.32	3	< 0.1%
0.33	3	< 0.1%
0.34	7	< 0.1%
0.35	7	< 0.1%
0.36	3	< 0.1%
0.37	3	< 0.1%
0.4	1	< 0.1%

Value	Count	Frequency (%)
862	1	< 0.1%
796	1	< 0.1%
270.3666667	1	< 0.1%
269.2	1	< 0.1%
88	1	< 0.1%
87	1	< 0.1%
84	1	< 0.1%
81	2	< 0.1%
78	1	< 0.1%
77	3	< 0.1%

transparency
Real number (ℝ)

MISSING

Distinct	527
Distinct (%)	0.7%
Missing	61750
Missing (%)	44.4%
Infinite	0
Infinite (%)	0.0%
Mean	43.021658

Minimum	-35
Maximum	1110
Zeros	7
Zeros (%)	< 0.1%
Negative	1
Negative (%)	< 0.1%
Memory size	1.1 MiB

Quantile statistics

Minimum	-35
5-th percentile	20
Q1	30
median	38
Q3	50
95-th percentile	87.5
Maximum	1110
Range	1145
Interquartile range (IQR)	20

Descriptive statistics

Standard deviation	20.770684
Coefficient of variation (CV)	0.48279599
Kurtosis	98.665819
Mean	43.021658
Median Absolute Deviation (MAD)	8
Skewness	3.4578323
Sum	3325574.2
Variance	431.42131
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
30	9533	6.9%
40	8902	6.4%
35	7122	5.1%
25	4758	3.4%
45	4143	3.0%
50	4002	2.9%
32.5	2760	2.0%
37.5	2698	1.9%
20	2687	1.9%
60	2325	1.7%
Other values (517)	28370	20.4%
(Missing)	61750	44.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-35	1	< 0.1%
0	7	< 0.1%
0.8	1	< 0.1%
1.2	2	< 0.1%
1.3	1	< 0.1%
1.5	1	< 0.1%
2	2	< 0.1%
2.5	2	< 0.1%
3	1	< 0.1%
4	4	< 0.1%

Value	Count	Frequency (%)
1110	1	< 0.1%
501	1	< 0.1%
499	1	< 0.1%
280.5	1	< 0.1%
193.5	1	< 0.1%
180	6	< 0.1%
165	2	< 0.1%
160	2	< 0.1%
150	9	< 0.1%
148.5	1	< 0.1%

ammonia
Real number (ℝ)

MISSING SKEWED

Distinct	291
Distinct (%)	7.8%
Missing	135302
Missing (%)	97.3%
Infinite	0
Infinite (%)	0.0%
Mean	1.1856804

Minimum	0
Maximum	2057
Zeros	562
Zeros (%)	0.4%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0.01
median	0.03
Q3	0.13
95-th percentile	1.5
Maximum	2057
Range	2057
Interquartile range (IQR)	0.12

Descriptive statistics

Standard deviation	34.359085
Coefficient of variation (CV)	28.97837
Kurtosis	3423.6177
Mean	1.1856804
Median Absolute Deviation (MAD)	0.03
Skewness	57.3656
Sum	4443.93
Variance	1180.5467
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	562	0.4%
0.01	161	0.1%
0.5	107	0.1%
0.1	100	0.1%
0.02	100	0.1%
0.25	85	0.1%
0.15	75	0.1%
0.2	70	0.1%
0.03	67	< 0.1%
0.019	66	< 0.1%
Other values (281)	2355	1.7%
(Missing)	135302	97.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	562	0.4%
0.001	27	< 0.1%
0.002	30	< 0.1%
0.003	23	< 0.1%
0.004	25	< 0.1%
0.005	21	< 0.1%
0.006	39	< 0.1%
0.007	31	< 0.1%
0.008	31	< 0.1%
0.009	37	< 0.1%

Value	Count	Frequency (%)
2057	1	< 0.1%
160	1	< 0.1%
150	2	< 0.1%
140	2	< 0.1%
130	1	< 0.1%
125	1	< 0.1%
120	2	< 0.1%
115	1	< 0.1%
88	1	< 0.1%
44	1	< 0.1%

nitrate
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	104
Distinct (%)	4.8%
Missing	136888
Missing (%)	98.4%
Infinite	0
Infinite (%)	0.0%
Mean	14.714262

Minimum	0
Maximum	1272
Zeros	308
Zeros (%)	0.2%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	1
median	5
Q3	20
95-th percentile	59.75
Maximum	1272
Range	1272
Interquartile range (IQR)	19

Descriptive statistics

Standard deviation	33.204082
Coefficient of variation (CV)	2.2565917
Kurtosis	951.65759
Mean	14.714262
Median Absolute Deviation (MAD)	5
Skewness	25.515598
Sum	31812.234
Variance	1102.511
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3	339	0.2%
0	308	0.2%
10	273	0.2%
25	206	0.1%
1	134	0.1%
15	122	0.1%
5	102	0.1%
50	93	0.1%
75	81	0.1%
20	76	0.1%
Other values (94)	428	0.3%
(Missing)	136888	98.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	308	0.2%
0.001	1	< 0.1%
0.005	1	< 0.1%
0.007	2	< 0.1%
0.01	2	< 0.1%
0.012	1	< 0.1%
0.013	1	< 0.1%
0.014	3	< 0.1%
0.018	1	< 0.1%
0.02	1	< 0.1%

Value	Count	Frequency (%)
1272	1	< 0.1%
100	4	< 0.1%
92	1	< 0.1%
90.46	1	< 0.1%
88	2	< 0.1%
87	1	< 0.1%
86	1	< 0.1%
85	1	< 0.1%
83	2	< 0.1%
80	1	< 0.1%

nitrite
Real number (ℝ)

MISSING SKEWED

Distinct	993
Distinct (%)	10.2%
Missing	129293
Missing (%)	93.0%
Infinite	0
Infinite (%)	0.0%
Mean	16.400004

Minimum	0
Maximum	48031
Zeros	1343
Zeros (%)	1.0%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0.019
median	0.06
Q3	0.432
95-th percentile	3.5
Maximum	48031
Range	48031
Interquartile range (IQR)	0.413

Descriptive statistics

Standard deviation	655.85588
Coefficient of variation (CV)	39.991202
Kurtosis	4641.4728
Mean	16.400004
Median Absolute Deviation (MAD)	0.06
Skewness	66.953598
Sum	160014.84
Variance	430146.93
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	1343	1.0%
0.01	359	0.3%
0.1	334	0.2%
0.05	315	0.2%
0.5	269	0.2%
0.02	247	0.2%
0.03	174	0.1%
1	152	0.1%
0.2	139	0.1%
0.25	127	0.1%
Other values (983)	6298	4.5%
(Missing)	129293	93.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	1343	1.0%
0.001	16	< 0.1%
0.002	11	< 0.1%
0.003	21	< 0.1%
0.004	20	< 0.1%
0.005	23	< 0.1%
0.006	23	< 0.1%
0.007	38	< 0.1%
0.008	36	< 0.1%
0.009	39	< 0.1%

Value	Count	Frequency (%)
48031	1	< 0.1%
41851	1	< 0.1%
3186	1	< 0.1%
2959	1	< 0.1%
2839	1	< 0.1%
2686	2	< 0.1%
2626	1	< 0.1%
2532	1	< 0.1%
2524	1	< 0.1%
2481	1	< 0.1%

alkalinity
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED ZEROS

Distinct	523
Distinct (%)	3.9%
Missing	125533
Missing (%)	90.3%
Infinite	0
Infinite (%)	0.0%
Mean	124.6744

Minimum	0
Maximum	19589
Zeros	1967
Zeros (%)	1.4%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	100
median	125.3
Q3	154
95-th percentile	239.1
Maximum	19589
Range	19589
Interquartile range (IQR)	54

Descriptive statistics

Standard deviation	182.07237
Coefficient of variation (CV)	1.460383
Kurtosis	9664.9792
Mean	124.6744
Median Absolute Deviation (MAD)	26.7
Skewness	90.455839
Sum	1685223.8
Variance	33150.35
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	1967	1.4%
120	628	0.5%
140	432	0.3%
125	426	0.3%
130	422	0.3%
100	374	0.3%
110	267	0.2%
160	266	0.2%
150	224	0.2%
144	218	0.2%
Other values (513)	8293	6.0%
(Missing)	125533	90.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	1967	1.4%
0.135	1	< 0.1%
0.5	1	< 0.1%
4	1	< 0.1%
9	1	< 0.1%
9.9	1	< 0.1%
10.2	1	< 0.1%
10.5	2	< 0.1%
12	1	< 0.1%
22	1	< 0.1%

Value	Count	Frequency (%)
19589	1	< 0.1%
944	1	< 0.1%
800	1	< 0.1%
772	1	< 0.1%
704	1	< 0.1%
684	1	< 0.1%
680	1	< 0.1%
640	1	< 0.1%
620	1	< 0.1%
614	1	< 0.1%

hardness
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	1225
Distinct (%)	22.2%
Missing	133525
Missing (%)	96.0%
Infinite	0
Infinite (%)	0.0%
Mean	5074.4698

Minimum	0
Maximum	2000000
Zeros	5
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	825.2
Q1	3800
median	5050
Q3	5757
95-th percentile	6800
Maximum	2000000
Range	2000000
Interquartile range (IQR)	1957

Descriptive statistics

Standard deviation	26939.916
Coefficient of variation (CV)	5.3089124
Kurtosis	5446.2949
Mean	5074.4698
Median Absolute Deviation (MAD)	852
Skewness	73.539204
Sum	28036446
Variance	7.2575905 × 10⁸
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
5400	143	0.1%
5600	134	0.1%
5000	130	0.1%
5300	130	0.1%
5200	115	0.1%
6000	114	0.1%
5500	112	0.1%
5900	103	0.1%
6500	97	0.1%
5700	97	0.1%
Other values (1215)	4350	3.1%
(Missing)	133525	96.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	5	< 0.1%
0.019	1	< 0.1%
0.432	1	< 0.1%
3.65	1	< 0.1%
3.814	1	< 0.1%
4.25	1	< 0.1%
4.4	1	< 0.1%
4.65	2	< 0.1%
5	2	< 0.1%
5.1	1	< 0.1%

Value	Count	Frequency (%)
2000000	1	< 0.1%
55450	1	< 0.1%
51000	1	< 0.1%
48000	1	< 0.1%
45000	1	< 0.1%
40745	1	< 0.1%
39000	1	< 0.1%
31000	1	< 0.1%
16900	1	< 0.1%
15700	1	< 0.1%

calcium
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	472
Distinct (%)	7.2%
Missing	132458
Missing (%)	95.3%
Infinite	0
Infinite (%)	0.0%
Mean	576.66702

Minimum	0
Maximum	11250
Zeros	5
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	160
Q1	320
median	421
Q3	800
95-th percentile	1246.25
Maximum	11250
Range	11250
Interquartile range (IQR)	480

Descriptive statistics

Standard deviation	410.01305
Coefficient of variation (CV)	0.71100484
Kurtosis	75.655157
Mean	576.66702
Median Absolute Deviation (MAD)	161
Skewness	4.3071642
Sum	3801389
Variance	168110.7
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
400	504	0.4%
360	413	0.3%
440	283	0.2%
320	260	0.2%
1000	237	0.2%
480	216	0.2%
1100	186	0.1%
800	154	0.1%
600	137	0.1%
900	121	0.1%
Other values (462)	4081	2.9%
(Missing)	132458	95.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	5	< 0.1%
1.067	14	< 0.1%
1.162	1	< 0.1%
1.164	13	< 0.1%
1.194	1	< 0.1%
1.2	1	< 0.1%
1.212	1	< 0.1%
1.25	1	< 0.1%
1.294	2	< 0.1%
1.313	2	< 0.1%

Value	Count	Frequency (%)
11250	1	< 0.1%
5000	1	< 0.1%
3700	1	< 0.1%
3600	2	< 0.1%
3500	3	< 0.1%
3000	2	< 0.1%
2900	2	< 0.1%
2850	1	< 0.1%
2700	2	< 0.1%
2650	1	< 0.1%

magnesium
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	1139
Distinct (%)	17.2%
Missing	132430
Missing (%)	95.2%
Infinite	0
Infinite (%)	0.0%
Mean	1959.7112

Minimum	0
Maximum	32000
Zeros	9
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	500
Q1	930
median	1200
Q3	2850
95-th percentile	5300
Maximum	32000
Range	32000
Interquartile range (IQR)	1920

Descriptive statistics

Standard deviation	1769.1901
Coefficient of variation (CV)	0.90278107
Kurtosis	31.07214
Mean	1959.7112
Median Absolute Deviation (MAD)	349.5
Skewness	3.2604652
Sum	12973288
Variance	3130033.7
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1215	90	0.1%
1312	82	0.1%
500	78	0.1%
1264	77	0.1%
1166	73	0.1%
600	72	0.1%
1361	69	< 0.1%
1239	61	< 0.1%
1200	60	< 0.1%
950	57	< 0.1%
Other values (1129)	5901	4.2%
(Missing)	132430	95.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	9	< 0.1%
0.01	2	< 0.1%
0.07	1	< 0.1%
0.4	3	< 0.1%
1.078	1	< 0.1%
2.09	1	< 0.1%
2.189	3	< 0.1%
2.45	1	< 0.1%
2.5	1	< 0.1%
2.65	1	< 0.1%

Value	Count	Frequency (%)
32000	1	< 0.1%
28000	1	< 0.1%
26000	1	< 0.1%
25000	1	< 0.1%
15550	1	< 0.1%
14000	1	< 0.1%
12900	2	< 0.1%
12600	1	< 0.1%
12121	1	< 0.1%
11800	1	< 0.1%

carbonate
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED ZEROS

Distinct	107
Distinct (%)	2.0%
Missing	133762
Missing (%)	96.2%
Infinite	0
Infinite (%)	0.0%
Mean	12.63243

Minimum	0
Maximum	2400
Zeros	3043
Zeros (%)	2.2%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	0
Q3	12
95-th percentile	40
Maximum	2400
Range	2400
Interquartile range (IQR)	12

Descriptive statistics

Standard deviation	89.049388
Coefficient of variation (CV)	7.0492682
Kurtosis	566.92537
Mean	12.63243
Median Absolute Deviation (MAD)	0
Skewness	23.103837
Sum	66800.29
Variance	7929.7935
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	3043	2.2%
8	301	0.2%
12	263	0.2%
4	236	0.2%
20	230	0.2%
16	183	0.1%
24	96	0.1%
28	69	< 0.1%
10	69	< 0.1%
40	65	< 0.1%
Other values (97)	733	0.5%
(Missing)	133762	96.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	3043	2.2%
1	6	< 0.1%
2	16	< 0.1%
3	4	< 0.1%
4	236	0.2%
5	19	< 0.1%
6	1	< 0.1%
8	301	0.2%
8.16	2	< 0.1%
8.4	5	< 0.1%

Value	Count	Frequency (%)
2400	4	< 0.1%
2353	1	< 0.1%
1568	5	< 0.1%
476	1	< 0.1%
328	1	< 0.1%
170	1	< 0.1%
141	1	< 0.1%
130	2	< 0.1%
125	3	< 0.1%
116	1	< 0.1%

bicarbonate
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	354
Distinct (%)	5.3%
Missing	132372
Missing (%)	95.2%
Infinite	0
Infinite (%)	0.0%
Mean	136.52725

Minimum	0
Maximum	19589
Zeros	6
Zeros (%)	< 0.1%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	75
Q1	104
median	125
Q3	152
95-th percentile	212
Maximum	19589
Range	19589
Interquartile range (IQR)	48

Descriptive statistics

Standard deviation	245.06176
Coefficient of variation (CV)	1.7949659
Kurtosis	5948.3691
Mean	136.52725
Median Absolute Deviation (MAD)	23
Skewness	74.988915
Sum	911729
Variance	60055.268
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
120	229	0.2%
100	164	0.1%
140	160	0.1%
110	143	0.1%
116	137	0.1%
160	136	0.1%
156	126	0.1%
136	125	0.1%
124	125	0.1%
112	124	0.1%
Other values (344)	5209	3.7%
(Missing)	132372	95.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	6	< 0.1%
2	1	< 0.1%
4	2	< 0.1%
6	4	< 0.1%
12	1	< 0.1%
20	4	< 0.1%
28	1	< 0.1%
29	2	< 0.1%
32	1	< 0.1%
34	1	< 0.1%

Value	Count	Frequency (%)
19589	1	< 0.1%
1176	1	< 0.1%
966	1	< 0.1%
944	1	< 0.1%
800	1	< 0.1%
714	1	< 0.1%
704	1	< 0.1%
684	1	< 0.1%
680	1	< 0.1%
640	1	< 0.1%

tom
Real number (ℝ)

HIGH CORRELATION MISSING SKEWED

Distinct	1270
Distinct (%)	17.5%
Missing	131774
Missing (%)	94.8%
Infinite	0
Infinite (%)	0.0%
Mean	147.34103

Minimum	-15.17
Maximum	73312
Zeros	4
Zeros (%)	< 0.1%
Negative	2
Negative (%)	< 0.1%
Memory size	1.1 MiB

Quantile statistics

Minimum	-15.17
5-th percentile	32
Q1	64.9275
median	87.585
Q3	106
95-th percentile	173
Maximum	73312
Range	73327.17
Interquartile range (IQR)	41.0725

Descriptive statistics

Standard deviation	1655.0031
Coefficient of variation (CV)	11.232466
Kurtosis	1349.6789
Mean	147.34103
Median Absolute Deviation (MAD)	20.41
Skewness	35.125418
Sum	1072053.3
Variance	2739035.2
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
94	94	0.1%
91	72	0.1%
97	71	0.1%
90	67	< 0.1%
56	65	< 0.1%
80	64	< 0.1%
77	63	< 0.1%
99	63	< 0.1%
85	62	< 0.1%
96	62	< 0.1%
Other values (1260)	6593	4.7%
(Missing)	131774	94.8%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-15.17	2	< 0.1%
0	4	< 0.1%
0.01	1	< 0.1%
0.24	1	< 0.1%
0.26	1	< 0.1%
0.46	1	< 0.1%
0.56	1	< 0.1%
0.69	1	< 0.1%
0.72	1	< 0.1%
0.9	1	< 0.1%

Value	Count	Frequency (%)
73312	1	< 0.1%
72048	1	< 0.1%
55616	1	< 0.1%
49296	1	< 0.1%
31600	2	< 0.1%
30336	1	< 0.1%
22752	1	< 0.1%
9859	1	< 0.1%
9790	1	< 0.1%
9572	1	< 0.1%

total_plankton_
Real number (ℝ)

MISSING SKEWED ZEROS

Distinct	2605
Distinct (%)	20.6%
Missing	126429
Missing (%)	90.9%
Infinite	0
Infinite (%)	0.0%
Mean	546490.45

Minimum	0
Maximum	2.1250533 × 10⁸
Zeros	3068
Zeros (%)	2.2%
Negative	0
Negative (%)	0.0%
Memory size	1.1 MiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	3
median	200000
Q3	690000
95-th percentile	2130000
Maximum	2.1250533 × 10⁸
Range	2.1250533 × 10⁸
Interquartile range (IQR)	689997

Descriptive statistics

Standard deviation	2228630.6
Coefficient of variation (CV)	4.0780778
Kurtosis	6696.3772
Mean	546490.45
Median Absolute Deviation (MAD)	200000
Skewness	73.739791
Sum	6.897256 × 10⁹
Variance	4.9667944 × 10¹²
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	3068	2.2%
300000	62	< 0.1%
200000	59	< 0.1%
190000	55	< 0.1%
500000	51	< 0.1%
540000	49	< 0.1%
350000	49	< 0.1%
400000	48	< 0.1%
230000	48	< 0.1%
180000	46	< 0.1%
Other values (2595)	9086	6.5%
(Missing)	126429	90.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	3068	2.2%
0.075	1	< 0.1%
0.1	3	< 0.1%
0.2	4	< 0.1%
0.233333333	1	< 0.1%
0.266666667	1	< 0.1%
0.3	6	< 0.1%
0.366666667	1	< 0.1%
0.4	4	< 0.1%
0.5	6	< 0.1%

Value	Count	Frequency (%)
212505333	1	< 0.1%
90558950	1	< 0.1%
23900000	1	< 0.1%
19530000	1	< 0.1%
15192500	1	< 0.1%
14230000	1	< 0.1%
13830801	1	< 0.1%
10790000	1	< 0.1%
10265000	1	< 0.1%
9720000	1	< 0.1%

Auto

Heatmap
Table

	alkalinity	ammonia	bicarbonate	calcium	carbonate	cycle_id	evening_do	evening_pH	evening_salinity	evening_temperature	hardness	magnesium	morning_do	morning_pH	morning_salinity	morning_temperature	nitrate	nitrite	tom	total_plankton_	transparency
alkalinity	1.000	0.211	0.912	0.107	0.025	-0.143	0.102	-0.072	0.126	-0.028	-0.114	0.103	-0.061	0.014	0.132	-0.005	-0.114	0.171	0.025	0.455	-0.087
ammonia	0.211	1.000	0.201	-0.226	0.082	0.192	-0.045	-0.144	0.038	0.029	-0.072	-0.239	0.077	0.017	-0.010	-0.004	-0.149	0.275	-0.071	0.041	-0.128
bicarbonate	0.912	0.201	1.000	0.085	-0.278	0.303	0.046	-0.262	-0.142	-0.032	-0.096	0.086	-0.097	-0.077	-0.038	0.015	-0.018	0.222	0.201	0.041	-0.284
calcium	0.107	-0.226	0.085	1.000	-0.004	0.046	-0.061	-0.167	0.365	-0.123	0.528	0.803	0.063	-0.014	0.274	-0.123	0.099	0.033	-0.039	0.096	0.077
carbonate	0.025	0.082	-0.278	-0.004	1.000	-0.192	0.322	0.428	-0.176	0.168	-0.207	0.021	0.116	0.533	-0.307	0.031	-0.236	-0.053	-0.240	-0.080	0.306
cycle_id	-0.143	0.192	0.303	0.046	-0.192	1.000	-0.013	-0.113	0.117	0.237	0.062	0.012	-0.089	-0.014	0.097	0.293	0.174	0.076	0.017	-0.241	-0.077
evening_do	0.102	-0.045	0.046	-0.061	0.322	-0.013	1.000	0.202	-0.228	-0.036	-0.298	-0.097	0.460	0.226	-0.289	-0.107	-0.418	-0.082	-0.227	-0.098	0.160
evening_pH	-0.072	-0.144	-0.262	-0.167	0.428	-0.113	0.202	1.000	-0.201	0.100	-0.084	-0.133	0.100	0.740	-0.075	-0.035	-0.177	-0.371	0.157	0.098	0.212
evening_salinity	0.126	0.038	-0.142	0.365	-0.176	0.117	-0.228	-0.201	1.000	-0.003	0.799	0.288	-0.068	-0.210	0.983	-0.035	0.005	-0.109	-0.010	-0.062	0.012
evening_temperature	-0.028	0.029	-0.032	-0.123	0.168	0.237	-0.036	0.100	-0.003	1.000	-0.136	-0.115	-0.215	0.050	-0.073	0.743	-0.018	0.022	-0.093	0.030	-0.030
hardness	-0.114	-0.072	-0.096	0.528	-0.207	0.062	-0.298	-0.084	0.799	-0.136	1.000	0.536	-0.093	-0.002	0.763	-0.088	0.026	-0.195	0.155	0.057	0.011
magnesium	0.103	-0.239	0.086	0.803	0.021	0.012	-0.097	-0.133	0.288	-0.115	0.536	1.000	-0.022	-0.127	0.324	-0.030	0.092	-0.024	-0.003	0.219	-0.011
morning_do	-0.061	0.077	-0.097	0.063	0.116	-0.089	0.460	0.100	-0.068	-0.215	-0.093	-0.022	1.000	0.137	-0.049	-0.186	-0.175	-0.061	0.004	-0.213	0.245
morning_pH	0.014	0.017	-0.077	-0.014	0.533	-0.014	0.226	0.740	-0.210	0.050	-0.002	-0.127	0.137	1.000	-0.152	-0.006	-0.318	-0.320	-0.079	-0.135	0.306
morning_salinity	0.132	-0.010	-0.038	0.274	-0.307	0.097	-0.289	-0.075	0.983	-0.073	0.763	0.324	-0.049	-0.152	1.000	-0.029	0.172	-0.075	-0.034	0.092	0.062
morning_temperature	-0.005	-0.004	0.015	-0.123	0.031	0.293	-0.107	-0.035	-0.035	0.743	-0.088	-0.030	-0.186	-0.006	-0.029	1.000	0.202	0.050	-0.187	-0.059	-0.057
nitrate	-0.114	-0.149	-0.018	0.099	-0.236	0.174	-0.418	-0.177	0.005	-0.018	0.026	0.092	-0.175	-0.318	0.172	0.202	1.000	0.186	0.536	0.300	-0.212
nitrite	0.171	0.275	0.222	0.033	-0.053	0.076	-0.082	-0.371	-0.109	0.022	-0.195	-0.024	-0.061	-0.320	-0.075	0.050	0.186	1.000	0.117	0.079	-0.277
tom	0.025	-0.071	0.201	-0.039	-0.240	0.017	-0.227	0.157	-0.010	-0.093	0.155	-0.003	0.004	-0.079	-0.034	-0.187	0.536	0.117	1.000	0.347	-0.263
total_plankton_	0.455	0.041	0.041	0.096	-0.080	-0.241	-0.098	0.098	-0.062	0.030	0.057	0.219	-0.213	-0.135	0.092	-0.059	0.300	0.079	0.347	1.000	-0.083
transparency	-0.087	-0.128	-0.284	0.077	0.306	-0.077	0.160	0.212	0.012	-0.030	0.011	-0.011	0.245	0.306	0.062	-0.057	-0.212	-0.277	-0.263	-0.083	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

The correlation heatmap measures nullity correlation: how strongly the presence or absence of one variable affects the presence of another.

First rows
Last rows

	cycle_id	measured_date	morning_temperature	evening_temperature	morning_do	evening_do	morning_salinity	evening_salinity	morning_pH	evening_pH	transparency	ammonia	nitrate	nitrite	alkalinity	hardness	calcium	magnesium	carbonate	bicarbonate	tom	total_plankton_
0	15009	2022-04-16	29.000000	NaN	NaN	NaN	28.000	NaN	8.100	NaN	50.0	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
1	10897	2021-07-30	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
2	27893	2023-12-07	29.342000	32.445	4.355000	6.253	2.155	2.686	8.294	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
3	17637	2022-08-11	24.900000	25.900	5.100000	3.800	21.000	NaN	7.400	6.900000	50.0	NaN	NaN	0.2	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
4	19874	2023-04-04	28.211000	30.869	3.106000	4.370	12.673	12.041	7.911	8.619000	40.0	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
5	27758	2023-12-13	NaN	NaN	NaN	NaN	NaN	NaN	8.000	NaN	67.5	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
6	17631	2022-08-23	22.600000	23.000	6.300000	4.575	17.000	17.000	7.000	6.900000	30.0	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
7	20390	2023-05-16	26.233333	27.200	4.433333	5.100	NaN	NaN	7.200	7.166667	20.0	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
8	24946	2023-09-11	26.840000	33.388	4.230000	5.797	8.960	8.176	8.340	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
9	15486	2022-04-25	30.200000	30.200	8.400000	8.400	25.000	25.000	8.020	8.020000	100.0	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN

	cycle_id	measured_date	morning_temperature	evening_temperature	morning_do	evening_do	morning_salinity	evening_salinity	morning_pH	evening_pH	transparency	ammonia	nitrate	nitrite	alkalinity	hardness	calcium	magnesium	carbonate	bicarbonate	tom	total_plankton_
139040	18027	2022-09-22	27.100	29.500	1.710	5.82	8.100	8.000	8.170	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
139041	16588	2022-07-08	23.000	29.300	6.500	NaN	20.000	16.000	7.670	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
139042	20765	2023-02-20	NaN	31.100	NaN	5.89	NaN	20.700	NaN	8.37	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
139043	20886	2023-03-07	30.870	33.370	5.420	6.56	17.760	17.470	9.120	9.82	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
139044	15980	2022-05-20	NaN	NaN	NaN	NaN	NaN	NaN	8.900	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
139045	19061	2022-12-22	27.000	30.000	NaN	NaN	24.000	NaN	7.600	8.40	40.0	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
139046	19061	2023-01-17	27.000	29.000	NaN	NaN	23.000	NaN	7.600	7.70	40.0	NaN	NaN	1.892	100.0	4500.0	400.0	996.0	0.0	100.0	107.0	822500.0
139047	6126	2021-01-06	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
139048	26483	2024-01-21	26.873	29.046	4.947	4.94	32.236	30.958	7.676	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN
139049	23317	2023-07-28	NaN	NaN	NaN	NaN	NaN	NaN	7.800	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN	NaN

Overview

Variables

Interactions

Correlations

Missing values

Sample